Finding the Third Proportional to 1,890,804 and 4,047,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,804 : 4,047,390 = 4,047,390 : x
2. Step 2: Convert to fraction form
   1,890,804/4,047,390 = 4,047,390/x
3. Step 3: Cross multiply
   1,890,804x = 4,047,390 × 4,047,390
4. Step 4: Simplify right side
   1,890,804x = 16,381,365,812,100
5. Step 5: Solve for x
   x = 16,381,365,812,100/1,890,804
6. Step 6: Final answer
   x = 8,663,703.81